$25.97
Wyze Home Security System Wireless Keypad,WhiteAmazon$7.55
HOME SECURITY & HOME DEFENSEAmazon$21.99
Wireless Door Alarm with Remote (2 Pack), Door/Window Alarm When Opened for Home/Pool Security, Kid/Child Safety, Sliding Front Door Opening Sensor Alert for Garage/Apartment, 120dB, 600ft RangeAmazon$13.99
Door Alarm Sensor, 125dB Mini Door Window Open Alarm Sensor, WhiteBed Bath & Beyond$18.99
Door Alarms for Home Security, Real-time Wireless Door Sensor, Personal Security Window and Door Alarm, WiFi Door Open Contact Sensors for Kids Safety, Works with TUYA App, Easy to Install, 2 PacksAmazon$45.99
CPVAN CP7R Door Chime, Smart Door Window Alarm Sensor with APP Alert, Remote Control, 2.4 GHz Wi-Fi Base Station Alarm Siren for Kids Elders Safety Compatible with Alexa, for Home House ApartmentAmazon$35.98
YisTech Caregiver Pager Door Alarms for Dementia Patients/Kids Safety/Home Security,Wireless Door Alarm Sensor for Elderly/Business/Home/Store (2 Sensor 2 Receiver)Amazon$17.99
Door Window Alarm for Kids Safety VOXON Wireless Door Alarm for Home Security Personal Security Window Alarms Sensor Burglar Door Alarm for Home, Cars, Sheds, Caravans DIY Kit Pack of 4Amazon$36.88
Door Alarm Sensor Window Alarms for Home Security Kids Burglar Safety SystemAmazon$9.98
Security Door Window Alarm, Wireless Sensor Door Window Burglar Alarm, Door Alarms for Kids Safety, Easy Installation Doorbell Alarms for Office House Window Pool (4 Pack)Amazon$39.99
Door Window Alarms, Toeeson 120DB Pool Door Alarms for Kids Safety, Window Alarms for HomeAmazon$16.90
Shelly Blu Door/Window White | Bluetooth Operated Sensor | Home Automation | iOS Android App | Alexa & Google Home Compatibility | Lux and Tilt Angle Measurement | Set Custom Activation ScenesAmazonSAVE $19.00
$20.98$39.98
Adjustable Volume Battery Operated Wireless Door and Window Alarms with Remote for Home Security Loud,Door Chimes for Kids Safety,Window Open Alarm Sensor with DelayAmazon$25.99
AKOYU Door Alarm for Home Security, Windows Open Alarms System with Remote Control, 120dB Magnetic Sensors, Easy Installation, Door Alarms for Kids Safety, Home, Garage, OfficeAmazon$7.99
Door Window Alarm for Home, 90DB Wireless Sensor Door Window Burglar Alarm-Door Alarms for Kids Safety, Doorbell Alarms for Office House Window Pool (2Pack)Amazon$19.99
WSDCAM 130dB Loud Door Alarm Adjustable Volume, 5 Feature Modes Door Alarms for Kids Safety Home Security Pool Safety Alzheimers Door Window Open Sensor Wireless Door Alarm with RemoteAmazon$13.98
Door Window Alarm,110DB Door Alarms for Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms for Home (3PCS)Amazon$39.99
ooma Siren, Works with Smart Home Security. No Contracts and Free self-Monitor Plan. Optional Professional Monitoring, Motion, keypad, Door/Window, Water Sensor, and Garage Door Sensor.,WhiteAmazon$34.99
Ooma Motion Sensor, works with Ooma Smart Home Security. No contracts and free self-monitor plan. Optional professional monitoring, door/window, keypad, water sensor, and garage door sensor,WhiteAmazon$14.29
Tyenaza Home Alarm System Metal Rolling Gate Window Door Magnetic Contacts Alarm Reed SwitchAmazon$18.49
Door Alarm Sensor, 125dB Door Alarms Window Burglar Alarm, WhiteBed Bath & BeyondSAVE $4.00
$12.99$16.99
WiFi Door Window Sensor Detector: Wireless Security Alarm Door Sensor, Tuya Door Open Contact Sensor, Compatible with Alexa,Google Home,Siri, Smart Door Sensors for Home Business Security (1 Pack)Amazon$33.79
YisTech Caregiver Pager WiFi Door Alarms for Dementia Patients with Phone App,WiFi Smart Door Sensor Alarm for Kid Safety/Home Security/Elderly/Business/Store/Mailbox(2 Sensor 1 Gateway)Amazon$22.47
Vivitar WT06 Smart Home Security WiFi Door Sensor, Sends Alert Once Sensor is Triggered, Simple Wi-Fi Setup with App, Individual Tag Settings.Newegg$42.99
Copkim 12 Pack Window Door Alarms 120dB Door Alarms for Home Security Window Alarm Sensors for Kids Safety Pool Alarms Door Chime Window Alarm Security Sensor for Home Door Shop Cabinet Pool OfficeAmazon$12.95
ASHATA Wireless Door Open Sensor Window Alarm Contact Sensor, Door Magnet Detecting Distance Up to 1.37in, Transmitting Range 328ft, Magnetic Door Open Contact Sensor for Home Office Stores, etcAmazon$39.98
Door Window Sensor: Smart Tuya Door Sensor Free App Real-time Alerts, Wireless WiFi Window Contact Sensor for Home Security & Smart Home Automation, Support for Alexa Google Assistant (4-Pack)Amazon$11.95
Mobestech Alarmas para Puertas y Door Alarm Window Chime Motion Detector Household Magnetic Door Home Motion Sensor Door Window AlarmAmazon$33.99
EverNary Window Vibration Alarm,125dB Loud Ultra-Slim Anti-Theft Alarm for Door and Window Glass Break Sensor Alert with Adjustable Sensitivity (5 PCS)Amazon$154.99
Eve Door & Window - Apple HomeKit Smart Home Wireless Contact Sensor for Windows & Doors, Automatically Trigger Accessories & Scenes, App.NeweggSAVE $1.00
$14.99$15.99
Maxcio Door Window Sensor, Door Open Detector with App Notifications, Compatible with Alexa/Google Home, Entry Detector Sensor for Home Automation Security, Requires Maxcio Zigbee GatewayAmazon$27.99
WSDCAM Glass Break Sensor Alarm 125dB Ultra-Slim Wireless Glass Break Detector Window Alarm Vibration Sensor for Home Window and Door Security - 4 PackAmazon$19.99
Alarm Door/Window Contact Sensor (2nd Gen)The Home Depot$19.00and up
GS-MT Skylink Wireless Garage Door Sensor for SkylinkNet Connected Home Alarm Security & Home Automation System and M-Series. Track and Monitor Your Garage Door Open or Closed StatusAmazon & 1 more$22.99
Replacement Door Window Sensor for Xfinity Home Security LDHD2AZW (Pack, 2)Amazon$29.99
Door and Window Sensor P2 - with Native Matter Support, Open/Closed Status Monitoring and Alarm, Local Home AutomationThe Home Depot$14.86
Door Window Sensor: Smart Tuya Door Sensor Free App Real-time Alerts, Wireless WiFi Window Contact Sensor for Home Security & Smart Home Automation, Support for Alexa Google Assistant (1-Pack)Amazon$23.86
Door Window Sensor: Smart Tuya Door Sensor Free App Real-time Alerts, Wireless WiFi Window Contact Sensor for Home Security & Smart Home Automation, Support for Alexa Google Assistant (2-Pack)Amazon$21.99
Door Alarm for Home Security with Remote, 3 Pcs Wireless Door Sensor Alarm with Adjustable Volume for Home, Kids SafetyAmazon$42.00
Eve Door & Window Wireless Contact Sensor (Matter) 10038002B&H Photo$44.99
Replacement Door Window Sensor for Xfinity Home Security LDHD2AZW (Pack, 4)Amazon$27.99
WSDCAM Window Alarm Glass Break Sensor Alarm 125dB Ultra-Slim Glass Break Detector Anti-Theft Vibration Sensor Alarm for Home Door and Window Security - 4 Pack - BlackAmazon$15.99
Erdiegle WiFi Door Window Alarm Sensor with App 2.4Ghz(with Timer Arm and Disarm/Time Delay) Sound Adjustable, Door Ajar Alarm, Door Open Alarm, Freezer Open Alarm for Home SecurityAmazon$24.99
SwitchBot Door Alarm Contact Sensor - Smart Home Security Wireless Window Alarm and Door Sensor, Add SwitchBot Hub to Make it Compatible with AlexaAmazon$58.89
Security Alarm Will Sound If Door is Opened Notice LabelWayfair$20.99
Door Window Alarm, 90DB Door Alarms for Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms for Home, 15 PackAmazon$12.50
Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)Amazon$25.90
Door Sensor, WiFi Door Alarm, Window Sensor Detector, Door Security Alarm, Smart Home Security, Tuya SmartLife App Control, Compatible Amazon Alexa.Newegg$32.99
Window Door Alarm for Kids Personal Home Security Alarms with Chime for House, RV, Office, Business Safe (8Pack)Amazon$11.44
Door Window Sensors, Wired Door Sensor Alarm, 10Pcs Wired Door Window Sensor Magnetic Switches for Home Alarm SystemAmazon$6.99
Add on Remote Control-1Pcs,Part of Door Alarm , Wireless Magnetic Sensor Alarm 85-130dB Adjustable Volume for Home SecurityAmazon$18.77
Philips Personal Security Deluxe Door Alarm Keypad Activation, WhiteWalmartSAVE $6.00
$39.99$45.99
Door Window Alarm for Home Security with Remote, 6 Pcs Wireless Door Sensor Alarm with Adjustable Volume for Home Kids SafetyAmazon$11.50
Wireless Vibration Alarm 110dB, Adjustable 10 Level Sensitivity, Bike Security with Remote Control for Door WindowAmazon$29.83
Ooma Water Sensor works with Ooma Smart Home Security No contracts and free self monitor plan Optional professional monitoring motion door window siren smoke keypad and garage door sensorAmazon$15.99
Erdiegle Door Alarm, Window Alarm, Door Chimes When Door Opening, 135db Sound with Time Delay, 4 Working Mode, Used for Apartment, Pool, Home Security, Shop Burglar AlertAmazon$7.99
E-outstanding 2 Pcs Recessed Door Window Magnetic Switch Wired Home Security Alarm Contact Sensor, WhiteAmazon$29.99
SABRE Wireless Home Security Door Window Burglar Alarm with LOUD 120 dB Siren, DIY EASY to InstallAmazon$14.99
WiFi Smart Door Window Sensor Alarm, Multipurpose Sensor, Contact Sensor for Home/Office Security, Wireless Door Window Open Detector, APP Remote Notification Compatible with Alexa & Google AssistantAmazon$9.99
Door Alarms for Home Security, Real-time Wireless Door Sensor, Personal Security Window and Door Alarm, WiFi Door Open Contact Sensors for Kids Safety, Works with TUYA App, Easy to Install, 1 PackAmazon